Flea & Tick
Everything you need to know about fleas and ticks on dogs and cats.
Flea and Tick Medicine Poisoning in Cats
Veronica Higgs, DVM
What Is Flea and Tick Medicine Poisoning in Cats?Some pet flea and tick medications—including topical sprays, dips, and shampoos—contain pyrethrin and/or pyrethroid. Pyrethrin and pyrethroid may also be found in insecticidal agricultural and home products. Pyrethrin is an insecticide derived from Chrysanthemum cinerariaefolium (“mum”) flowers. Pyrethrins are safe to...